package com.tegtech.starter.security.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import com.tegtech.common.exception.BaseException;
import com.tegtech.module.auth.domain.LoginUser;
import com.tegtech.module.auth.domain.SysUser;
import com.tegtech.module.auth.enums.UserStatus;
import com.tegtech.module.auth.service.IUserService;

import cn.hutool.core.lang.Validator;
import lombok.extern.slf4j.Slf4j;

/**
 * 用户验证处理
 *
 * @author Jun
 */
@Slf4j
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
	
	@Autowired
	private IUserService userService;

	@Autowired
	private SysPermissionService permissionService;

	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		SysUser user = userService.selectUserByUserName(username);
		if (Validator.isNull(user)) {
			log.info("登录用户：{} 不存在.", username);
			throw new UsernameNotFoundException("登录用户：" + username + " 不存在");
		} else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
			log.info("登录用户：{} 已被删除.", username);
			throw new BaseException("对不起，您的账号：" + username + " 已被删除");
		} else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
			log.info("登录用户：{} 已被停用.", username);
			throw new BaseException("对不起，您的账号：" + username + " 已停用");
		}

		return createLoginUser(user);
	}

	public UserDetails createLoginUser(SysUser user) {
		return new LoginUser(user, permissionService.getMenuPermission(user));
	}
}
